package org.apache.maven.model.plugin;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.model.Model;
import org.apache.maven.model.ReportPlugin;
import org.apache.maven.model.ReportSet;
import org.apache.maven.model.Reporting;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblemCollector;
import org.codehaus.plexus.component.annotations.Component;
import org.codehaus.plexus.util.xml.Xpp3Dom;

/**
 * Handles expansion of general report plugin configuration into individual report sets.
 * 
 * @author Benjamin Bentmann
 */
@Component(role = ReportConfigurationExpander.class)
public class DefaultReportConfigurationExpander implements ReportConfigurationExpander {

  public void expandPluginConfiguration(Model model, ModelBuildingRequest request, ModelProblemCollector problems) {
    Reporting reporting = model.getReporting();

    if (reporting != null) {
      for (ReportPlugin reportPlugin : reporting.getPlugins()) {
        Xpp3Dom parentDom = (Xpp3Dom) reportPlugin.getConfiguration();

        if (parentDom != null) {
          for (ReportSet execution : reportPlugin.getReportSets()) {
            Xpp3Dom childDom = (Xpp3Dom) execution.getConfiguration();
            childDom = Xpp3Dom.mergeXpp3Dom(childDom, new Xpp3Dom(parentDom));
            execution.setConfiguration(childDom);
          }
        }
      }
    }
  }

}
